In Betty Webb’s new mystery, “The Llama of Death[2],” zookeeper Teddy Bentley discovers a dead body inside the llama pen, but surely sweet Alejandro couldn’t have stomped the man to death. When the acting sheriff jails Teddy’s socialite mother for the murder, she investigates. Animal lovers will enjoy the behind-the-scenes action in this zoo-based who-done-it. The third in the series, which starts with “Anteater of Death[3].”